CN2802066Y - One-arm sidewall contact device of petroleum prospecting instrument - Google Patents
One-arm sidewall contact device of petroleum prospecting instrument Download PDFInfo
- Publication number
- CN2802066Y CN2802066Y CNU2005200087251U CN200520008725U CN2802066Y CN 2802066 Y CN2802066 Y CN 2802066Y CN U2005200087251 U CNU2005200087251 U CN U2005200087251U CN 200520008725 U CN200520008725 U CN 200520008725U CN 2802066 Y CN2802066 Y CN 2802066Y
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Abstract
The utility model relates to a one-arm telescoping ram for a petroleum prospecting instrument, which relates to an underground positioning device, particularly a telescoping ram which can position a prospecting instrument underground. The utility model comprises a main connecting casing, and a motor and a decelerator which are arranged in the main connecting casing, a driving screw rod, an inner thrust lever, an outer thrust lever, a thrust sleeve, nuts, a telescoping arm, a right disk reed, a left disk reed and a connecting lever, wherein both ends of the right disk reed are respectively supported at the right end part of the outer thrust lever and on a step of the inner thrust lever; both ends of the left disk reed are respectively supported at the left end part of the outer thrust lever and the nuts; both ends of the connecting lever are respectively hinged with the telescoping arm and the thrust sleeve. The one-arm telescoping ram for a petroleum prospecting instrument of the utility model has the advantages that the motor and the decelerator are used as dynamic force, and thus the utility model has large telescoping force and reliable motion; due to the whole mechanical drive, the utility model can be adapted to work in high temperature and pressure environment; when the telescoping ram moves up and down, the telescoping arm is positioned in a strip slot of the main connecting casing and thus the telescoping arm can not scratch a borehole wall.
Description
Technical field
The utility model relates to a kind of down-hole positioning device, particularly a kind of telescoping ram that can make prospecting instrument in the location, down-hole.
Background technology
Telescoping ram is the important component part of oil well logging instrument, when logger is mobile in well, and its can will pop one's head in reliably in the optional position, down-hole the backup borehole wall or gathering, thus gather desired signal.Existing down-hole telescoping ram is based on hydraulic sidewall contact device, though the hydraulic sidewall contact device structure design is simple, also has following significant disadvantages:
(1) because all there is certain boiling point in hydraulic oil, thereby such telescoping ram often is not suitable for working under the environment of HTHP;
(2) because often there is seepage in hydraulic system, especially the system for the big driving force of needs is then needed sealing system is made comparatively strict design, often cause the telescoping ram complex structure, though and hydraulic sidewall contact device structure commonly used is less, bigger backup power often can not be provided;
(3) in existing structure, telescoping ram is when knee-action, owing to directly contact the also easy scratch borehole wall with the borehole wall.
Summary of the invention
Be to solve the problem that prior art exists, the utility model provides a kind of single arm clamp piston of petroleum exploration device, it solved the backup power that existing like product exists little, be not suitable under HTHP, working, the problem of the scratch borehole wall easily.
Single arm clamp piston of petroleum exploration device of the present utility model includes main shell 1, driving mechanism, transmission mechanism and the backup arm 23 of connecting, it is characterized in that, this telescoping ram also comprises connecting rod 35, and described driving mechanism comprises motor and the reducer 2 that is installed in main connection shell 1 inside; Described transmission mechanism comprises: the turn-screw 10 that rotates under motor and reducer 2 drives, with inner thrusting rod 12 turn-screw 10 threaded engagement and that under turn-screw 10 drives, vertically move, be sleeved on the inner thrusting rod 12 and inner thrusting rod 12 can produce slide displacement relatively external thrusting rod 14, be sleeved on the external thrusting rod 14 and with the fixing thrust sleeve 17 of external thrusting rod 14, be installed in the nut 28 of inner thrusting rod 12 ends, two ends withstand on the right dish reed 13 on the step of the right part of external thrusting rod 14 and inner thrusting rod 12 respectively, two ends withstand on the left part of external thrusting rod 14 and the left dish reed 27 on the nut 28 respectively; Described backup arm 23 be arranged among the main rectangular groove 1-1 that connects shell 1 outer wall and an end with lead that to be connected shell 1 hinged; The two ends of described connecting rod 35 are hinged with backup arm 23 and thrust sleeve 17 respectively.
Single arm clamp piston of petroleum exploration device of the present utility model has the following advantages: motor and reducer are power, so backup power is bigger, reliable in action; All be machine driving, therefore can adapt to work under the high temperature and high pressure environment; When telescoping ram moved up and down, backup arm was to be arranged in the main rectangular groove that connects shell, therefore can the scratch borehole wall.
Description of drawings
Fig. 1 is the outside drawing of the utility model specific embodiment;
Fig. 2 is the general structure schematic diagram of the utility model specific embodiment.
The specific embodiment
Below in conjunction with accompanying drawing and with best embodiment the utility model is done detailed explanation:
Consult Fig. 1 and Fig. 2, the single arm clamp piston of petroleum exploration device of present embodiment is by the main shell 1 that connects, motor and reducer 2, connecting bushing 3, hold-down screw 4, connecting key 5, another connecting key 6, locking nut 7, shaft retaining ring 8, two-direction thrust bearing 9, turn-screw 10, interior fixed cover 11, inner thrusting rod 12, right dish reed 13, external thrusting rod 14, inner seal ring 15, exterior seal ring 16, thrust sleeve 17, lock-screw 18, block 19, first connecting pin 20, second connecting pin 21, the 3rd connecting pin 22, backup arm 23, another inner seal ring 24, another external seal Figure 25, end adapter sleeve 26, left dish reed 27, nut 28, another lock-screw 29, open block 30, return block 31, open limit switch 32, return limit switch 33, sealing shroud 34 and connecting rod 35 are formed.Backup arm 23 be arranged among the main rectangular groove 1-1 that connects shell 1 outer wall and an end by the 3rd connecting pin 22 with main to be connected shell 1 hinged, other parts are installed in master's connection shell 1 inside.Motor and reducer 2 are connected with the main fixed mount 4-1 that is connected shell 1 inside by hold-down screw 4, transmit motion by connecting bushing 3 between motor and reducer 2 and the turn-screw 10, connecting bushing 3 is sleeved on the end of the output shaft and the turn-screw 10 of motor and reducer 2, connect by connecting key 5 between motor and reducer 2 and the connecting bushing 3, connect by another connecting key 6 between turn-screw 10 and the connecting bushing 3.Inner thrusting rod 12 and turn-screw 10 threaded engagement, and can under turn-screw 10 drives, vertically move.External thrusting rod 14 is sleeved on the inner thrusting rod 12, and external thrusting rod 14 inner thrusting rod 12 relatively produces slide displacement.Thrust sleeve 17 is sleeved on the external thrusting rod 14 and with external thrusting rod 14 fixedlys connected by lock-screw 18.Nut 28 is installed in the end of inner thrusting rod 12, and the arranged outside of nut 28 has another lock-screw 29.The two ends of right dish reed 13 withstand on respectively on the step of the right part of external thrusting rod 14 and inner thrusting rod 12, and the two ends of left dish reed 27 withstand on respectively on the left part and nut 28 of external thrusting rod 14.The two ends of connecting rod 35 are hinged with backup arm 23 and thrust sleeve 17 by second connecting pin 21 and first connecting pin 20 respectively.Fixed cover 11 in the main inside that connects shell 1 also is fixed with, the left end of interior fixed cover 11 is positioned at the right-hand of thrust sleeve 17 and is sleeved on the external thrusting rod 14.The right-hand member of interior fixed cover 11 endoporus is equipped with two-direction thrust bearing 9, and the right-hand member of turn-screw 10 is installed in the two-direction thrust bearing 9, also is connected with a locking nut 7 and an axle ring washer 8 that restriction turn-screw 10 vertically moves at the spindle nose place of the right-hand member of turn-screw 10.There is the hole 1-2 of perforation the position relative with thrust sleeve 17 displacement range on the outer wall of main connection shell 1, and the end of hole 1-2 is connected with the end of rectangular groove 1-1, is provided with block 19 in the other end of hole 1-2.The left part of right-hand interior fixed cover 11 of hole 1-2 with external thrusting rod 14 and main the connection are respectively arranged with inner seal ring 15 and exterior seal ring 16 between the shell 1; The left lateral position that is positioned at hole 1-2 in the main endoporus that connects shell 1 is equipped with sealing shroud 34, and sealing shroud 34 is sleeved on the external thrusting rod 14, sealing shroud 34 with external thrusting rod 14 and main the connection are respectively arranged with another inner seal ring 24 and another exterior seal ring 25 between the shell 1.
Be connected with end adapter sleeve 26 in the left part of external thrusting rod 14, end adapter sleeve 26 covers on the outside of left dish reed 27.Unlatching limit switch 32 is installed in the top of nut 28 external surfaces, and unlatching block 30 is positioned at the left of opening limit switch 32 and is installed on the inner surface of end adapter sleeve 26; Return limit switch 33 is installed in the bottom of nut 28 external surfaces, and return block 31 is positioned at the right-hand of return limit switch 33 and is installed on the inner surface of end adapter sleeve 26.
The course of action of this single arm clamp piston of petroleum exploration device is:
Breakdown action: motor and reducer 2 rotate and drive turn-screw 10 rotations, vertically move to left with the inner thrusting rod 12 of its threaded engagement, inner thrusting rod 12 promotes external thrusting rod 14 to moving to left by right dish reed 13, and the thrust sleeve 17 that moves to left along with external thrusting rod 14 opens by connecting rod 35 promotion backup arms 23; When backup arm 23 is flared to extreme position, external thrusting rod 14 stops to move, and this moment, inner thrusting rod 12 compressed right dish reed, and inner thrusting rod 12 relative external thrusting rods 14 are moved to left, open limit switch 32 and open block 30 collisions, motor and reducer 2 stop action.
Revert action: motor and reducer 2 backward rotation drive leading screw 10 backward rotation, vertically move to right with the inner thrusting rod 12 of its threaded engagement, inner thrusting rod 12 promotes external thrusting rod 14 by left dish reed 27 and moves right, and the thrust sleeve 17 that moves to right along with external thrusting rod 14 closes up by connecting rod 35 promotion backup arms 23; When backup arm 23 closes up to rectangular groove 1-1, external thrusting rod 14 stops to move, and this moment, the nut 28 of inner thrusting rod 12 ends compressed left dish reed, and inner thrusting rod 12 relative external thrusting rods 14 are moved to right, return limit switch 33 bumps against with return block 31, and motor and reducer 2 stop action.
Claims (6)
1, single arm clamp piston of petroleum exploration device, comprise: main shell (1), driving mechanism, transmission mechanism and the backup arm (23) of connecting, it is characterized in that this telescoping ram also comprises connecting rod (35), described driving mechanism comprises motor and the reducer (2) that is installed in main connection shell (1) inside; Described transmission mechanism comprises: the turn-screw (10) that rotates under motor and reducer (2) drive, with inner thrusting rod (12) turn-screw (10) threaded engagement and that under turn-screw (10) drives, vertically move, be sleeved on the external thrusting rod (14) that inner thrusting rod (12) is gone up and inner thrusting rod (12) can produce slide displacement relatively, be sleeved on that external thrusting rod (14) is gone up and with the fixing thrust sleeve (17) of external thrusting rod (14), be installed in the nut (28) of inner thrusting rod (12) end, two ends withstand on the right dish reed (13) on the step of the right part of external thrusting rod (14) and inner thrusting rod (12) respectively, two ends withstand on the left part of external thrusting rod (14) and the left dish reed (27) on the nut (28) respectively; Described backup arm (23) be arranged in the main rectangular groove (1-1) that connects shell (1) outer wall and an end with lead that to be connected shell (1) hinged; The two ends of described connecting rod (35) are hinged with backup arm (23) and thrust sleeve (17) respectively.
2, single arm clamp piston of petroleum exploration device as claimed in claim 1, it is characterized in that: transmit motion by connecting bushing (3) between motor and reducer (2) and the turn-screw (10), connecting bushing (3) is sleeved on the end of the output shaft and the turn-screw (10) of motor and reducer (2), connect by connecting key (5) between motor and reducer (2) and the connecting bushing (3), connect by another connecting key (6) between turn-screw (10) and the connecting bushing (3).
3, single arm clamp piston of petroleum exploration device as claimed in claim 1, it is characterized in that: also be fixed with interior fixed cover (11) in the main inside that connects shell (1), the left end of interior fixed cover (11) is positioned at the right-hand of thrust sleeve (17) and is sleeved on the external thrusting rod (14), the right-hand member of interior fixed cover (11) endoporus is equipped with two-direction thrust bearing (9), the right-hand member of turn-screw (10) is installed in the two-direction thrust bearing (9), also is connected with a locking nut (7) and a ring washer (8) that restriction turn-screw (10) vertically moves at the spindle nose place of the right-hand member of turn-screw (10).
4, single arm clamp piston of petroleum exploration device as claimed in claim 3, it is characterized in that: there is the hole (1-2) of perforation the position relative with thrust sleeve (17) displacement range on the main outer wall that connects shell (1), and the left part that is positioned at right-hand fixed cover (11) in hole (1-2) is with external thrusting rod (14) and lead to be connected and be respectively arranged with inner seal ring (15) and exterior seal ring (16) between the shell (1); The left lateral position that is positioned at hole (1-2) in the endoporus of main connection shell (1) is equipped with sealing shroud (34), sealing shroud (34) is sleeved on the external thrusting rod (14), and sealing shroud (34) and external thrusting rod (14) and main the connection are respectively arranged with another inner seal ring (24) and another exterior seal ring (25) between the shell (1).
5, single arm clamp piston of petroleum exploration device as claimed in claim 1 is characterized in that: be connected with end adapter sleeve (26) in the left part of external thrusting rod (14), end adapter sleeve (26) covers on the outside of left dish reed (27).
6, single arm clamp piston of petroleum exploration device as claimed in claim 5 is characterized in that: it also include open block (30) and after backup arm (23) is opened into extreme position can with the return limit switch (33) of opening unlatching limit switch (32) that block (30) bumps against, return block (31) and after backup arm (23) is repositioned to extreme position, bumping against with return block (31); Unlatching limit switch (32) is installed in the top of nut (28) external surface, and unlatching block (30) is positioned at the left of opening limit switch (32) and is installed on the inner surface of end adapter sleeve (26); Return limit switch (33) is installed in the bottom of nut (28) external surface, and return block (31) is positioned at the right-hand of return limit switch (33) and is installed on the inner surface of end adapter sleeve (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200087251U CN2802066Y (en) | 2005-03-18 | 2005-03-18 | One-arm sidewall contact device of petroleum prospecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200087251U CN2802066Y (en) | 2005-03-18 | 2005-03-18 | One-arm sidewall contact device of petroleum prospecting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2802066Y true CN2802066Y (en) | 2006-08-02 |
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ID=36846776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200087251U Expired - Lifetime CN2802066Y (en) | 2005-03-18 | 2005-03-18 | One-arm sidewall contact device of petroleum prospecting instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2802066Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100342114C (en) * | 2005-03-18 | 2007-10-10 | 中国海洋石油总公司 | Single arm clamp piston of petroleum exploration device |
| CN103603928A (en) * | 2013-11-12 | 2014-02-26 | 武汉海阔科技有限公司 | Double-wedge transmission reversing mechanism |
| CN105974478A (en) * | 2016-06-23 | 2016-09-28 | 中国石油集团钻井工程技术研究院 | While-drilling VSP measurement sensor mounting equipment and measurement tool |
| CN107288625A (en) * | 2016-04-01 | 2017-10-24 | 中国石油集团长城钻探工程有限公司 | Multi-arm mechanical pusher and oil well logging instrument |
| CN112983274A (en) * | 2021-03-09 | 2021-06-18 | 中国石油大学(华东) | Rotary guide type two-stage down-the-hole hammer drill |
-
2005
- 2005-03-18 CN CNU2005200087251U patent/CN2802066Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100342114C (en) * | 2005-03-18 | 2007-10-10 | 中国海洋石油总公司 | Single arm clamp piston of petroleum exploration device |
| CN103603928A (en) * | 2013-11-12 | 2014-02-26 | 武汉海阔科技有限公司 | Double-wedge transmission reversing mechanism |
| CN103603928B (en) * | 2013-11-12 | 2016-08-31 | 武汉海阔科技有限公司 | A kind of transmission changement with double-wedge groove half connecting rod |
| CN107288625A (en) * | 2016-04-01 | 2017-10-24 | 中国石油集团长城钻探工程有限公司 | Multi-arm mechanical pusher and oil well logging instrument |
| CN105974478A (en) * | 2016-06-23 | 2016-09-28 | 中国石油集团钻井工程技术研究院 | While-drilling VSP measurement sensor mounting equipment and measurement tool |
| CN112983274A (en) * | 2021-03-09 | 2021-06-18 | 中国石油大学(华东) | Rotary guide type two-stage down-the-hole hammer drill |
| CN112983274B (en) * | 2021-03-09 | 2023-03-14 | 中国石油大学(华东) | Rotary guide type two-stage down-the-hole hammer drill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20050318 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |